Toto CST243 Installation guide

Warranty Registration and Inquiry

For product warranty registration, TOTO U.S.A. Inc. recommends online warranty registration. Please visit

our web site http://www.totousa.com. If you have questions regarding warranty policy or coverage, please con-

tact TOTO U.S.A. Inc., Customer Service Department, 1155 Southern Road, Morrow, GA 30260

(888) 295-8134 or (678) 466-1300 when calling from outside of U.S.A.

Installation Manual

Manual de Instrucciones

Manuel D’Installation

CST243

CST244

CST404

CST423

CST424

CST453

CST454

CST494

CST743

CST744

CST754

CST784

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3

ENGLISH

TABLE OF CONTENTS

THANKS FOR CHOOSING TOTO!

The mission of TOTO is to provide the world with healthy, hygienic and more

comfortable lifestyles. We design every product with the balance of form and function

as a guiding principle. Congratulations on your choice.

Thanks for Choosing TOTO

®

! ...........................................................................................3

Before Installation ...............................................................................................................3

Common Tools Needed ....................................................................................................3

Included Parts ..................................................................................................................... 3

Before Installation ...............................................................................................................4

Installation Procedure ........................................................................................................4

Maintenance Instructions ...................................................................................................7

Care and Cleaning ..............................................................................................................9

Warranty ............................................................................................................................10

Rough-In Dimensions ......................................................................................................28

Replacement Parts ............................................................................................................29

Check to make sure you have all these parts from the package:

COMMON TOOLS NEEDED

Tank

a b

c

d

Tank Lid Tank to Bowl Gasket

a. Bolts (metal) - 2

b. Washers (rubber) -2

c. Washers (metal) - 4

d. Nuts (metal) -4

• 10” adjustable wrench

• Carpenter’s Level

• Hacksaw

• Tape Measure

• Hand Pliers

• Flat Screwdriver

• Putty Knife

ADDITIONAL ITEMS (NOT SUPPLIED BY TOTO):

• Bowl Wax Ring

• Closet Flange Mounting Bolts

(usually 2 T-bolts, 2 metal washers and 2 nuts)

• Water Supply Line

(typically 1/2” compression to 7/8” ballcock)

• Toilet Seat (TOTO SoftClose recommended)

e f

e. Caps (plastic) - 2

f. Base (plastic) - 2

INCLUDED PARTS

4

ENGLISH

BEFORE INSTALLATION

Read these instructions thoroughly before beginning work.

Please leave instructions for customers. These instruction contain maintenance

and warranty information.

If necessary, remove the existing toilet.

For your new TOTO toilet to ﬁt correctly, the rough-in, the distance between the

ﬁnished wall to the center of the

closet ﬂange, must be at least

12 inches for most models.

NOTE: Models with 10”

rough-in have model numbers

ending with “.10”, for example

C744EF.10.

Supply

Valve

Finished Wall

"RI"

C/L

Closet

Flange

IMPORTANT!

Due to the powerful performance of our Cyclone, G-Max, E-Max and Power Gravity

ﬂushing systems, they are not speciﬁed for back-to-back installations. The only

means of installing these toilets in a back-to-back situation is when the toilet drain

connections incorporate a WYE ﬁtting. Please contact your builder or contractor prior

to this installation.

Double Combination WYE / 1/8 Bend

YES

Double Sanitary Tee / Sanitary Cross

NO

INSTALLATION PROCEDURE

Ill. 1

Ill. 2

Wax Ring

Horn

Bolt Cap

Nut *

Washer *

Base Cap

Bowl Base

Three Points of Contact

* Not Supplied

Ill. 3

1) Clean any debris out of the closet ﬂange

and then install new mounting bolts

(not supplied) into the slots of the closet

ﬂange (see Illustration 1). The head of the

bolt should be inserted into the slot with

its threads facing upward.

2) Carefully turn the toilet upside down

onto some padding. Firmly press a new

bowl wax ring (not supplied) onto the

circular recess around the toilet bowl’s

horn (see Illustration 2). Turn the toilet

upright and gently lower into position

over the closet ﬂange. With toilet

properly aligned, press ﬁrmly on both

sides of toilet rim to set the bowl wax

ring (see Illustration 3).

CAUTION: Do not move the bowl after

the bowl wax ring is set. Thread the nuts

and tighten evenly until bowl is snug to

closet ﬂange. Install the bolt caps (see

Illustration 3).

CAUTION: Do not over-tighten the nuts

as damage to the china bowl may result.

5

ENGLISH

INSTALLATION PROCEDURE

NO

YES

Ill. 6

Ill. 4

Ill. 5

Tank to Bowl

Gasket

1

3

2

Fill Valve Nut

Flush Valve Nut

Metal Washer

Nut

Rubber Washer

Bolt

Cut Away View

3

1 & 2

3 Gap

1 & 2

3

1 & 2

Gap

Points of Contact

NOTE: Three Points of Contact:

The toilet bowl has three points o

contact, which will actually contact the

bottom of the toilet tank when properly

installed. The location of these points

can be seen on the bowl at the tank

receiving area. The three points are front

left (1), front right (2), and back center

(3). Recall these three points during the

Toilet Tank installation.

3) Place the tank upside down onto some

padding. Inspect the smaller ﬁll valve

nut and larger ﬂush valve nut for a

secure connection (see Illustration 4).

Try to tighten the nuts with your hands.

If loose, tighten the nut hand tight and

an additional 1/4 turn for the smaller ﬁll

valve nut and an additional 1/2 turn for

the larger ﬂush valve nut.

Place the tank-to-bowl gasket onto the

ﬂush valve nut. While pressing down,

spread the gasket over the nut until the

gasket touches the bottom of the tank.

A slight gap between the tank bottom

and the gasket is allowable.

4) Lay the tank down on its back. Place a

rubber washer onto a brass bolt (see

Illustration 5). Reach inside the tank

and position the bolt through one of

the holes in the bottom of the tank.

On the outside of the tank, place a

metal washer and nut onto the bolt.

Hold the bolt centered in the hole and

tighten the nut ﬁnger tight. Turn the nut

an additional 1/2 turn with a wrench.

Repeat this process for the remaining

hole in the tank.

Pick up the tank and carefully guide

the brass bolts to align the tank with

the bowl. Attach a metal washer and

nut to each bolt. Tighten the nuts ﬁnger

tight and inspect that the tank is level

(see Illustration 6). Once level, tighten

the bolts equally until the tank makes

THREE POINTS OF CONTACT with the

bowl.

6

ENGLISH

INSTALLATION PROCEDURE

4

5

6

2

3

1

7/8” Ballcock Thread

HAND TIGHTEN ONLY

Ill. 7

Ill. 8

Seat

Hinge

Cap

Plastic

Bolt

Seat

Stopper

Bowl

Plastic Nut

1 - Cap

2 - Plastic Bolt

3 - Seat Hinge

4 - Seat Stopper

5 - Toilet Bowl

6 - Plastic Nut

MOUNTING HARDWARE

5) Flush the water supply line for a few seconds

to remove any debris that may enter the

new ﬁll valve. (For new home constructions

and/or additions, ﬂush the water supply line

for more than a minute to help remove any

residual PVC adhesives, solder ﬂux, and/ or

pipe sealants that were used for the new

plumbing.) Connect the water supply line to

the ﬁll valve threads as seen at the bottom

of toilet tank (see Illustration 7). Tighten this

connection ﬁnger tight.

CAUTION: Avoid using a wrench to tighten

the connection as you may damage the

plastic threads and/or cause the ﬁll valve to

rotate inside the tank.

NOTE: The water supply pressure should be

20 to 80 psi static.

6) No ballcock / ﬁll valve adjustments are

needed. The water will automatically stop at

proper level. Flush the toilet several times.

Check ﬂapper valve for proper operation.

Make sure that chain is not tangled and that

the ﬂapper arm is in its proper position.

7) Install the toilet tank lid onto the toilet tank

top.

8) Install the toilet seat onto the toilet bowl

using the mounting hardware in the toilet

seat box. Place seat onto bowl and rotate

the hinge down. Position seat stoppers

under the seat hinge. Insert bolt into seat

hinge and through the toilet bowl. Install

plastic nut onto bolt from underneath.

Tighten the bolt securely. Install the seat

bolt caps.

NOTE: Tighten the seat bolt until the hinge is

secure. The seat and lid will have slight side

to side movement, which is normal. This

freedom of movement allows the seat to

SoftClose® without binding.

7

ENGLISH

Water Level Adjustment

Depending on the manufacturing plant, you may have one of two of the following ﬁll

valves:

Type A

Type B

Water Level

For Type A and C Fill Valve:

Refer to the water level (WL) setting marked

on the inner wall of the tank. Allow the wa-

ter to ﬁll the tank. Turn the adjustment screw

clockwise in the (+) direction to increase the

water level height (see Illustration 1). Turn

the adjustment screw counter-clockwise in

the (-) direction to decrease the water level

height. Flush the toilet to verify the correct

water level. Adjust as necessary.

For Type B Fill Valve:

There are no water level adjustments. The

ﬁll valve has been preset at the factory.

Top of

Overﬂow

Tube

Water

Level

Ill. 1

Type C

7) Connect water supply to ﬁll valve shank and hand-tighten only.

NO TE: Do not overtighten. These are plastic parts. Never use pipe dope on any

water supply connection.

8) Attach reﬁll tube to ﬁll valve nipple and clip other end of reﬁll tube to the overﬂow

pipe.

9) Turn water supply ON and check for leaks outside the tank.

NO TE: As water ﬁlls the tank, water is also directed into the overﬂow tube via the

reﬁll tube. This additional ﬂow of water is critical to reﬁlling your toilet’s bowl.

Once the water stops ﬁlling the tank, some residual drops of water may drip

from the ﬁll valve. This is NORMAL as these drops will subside.

Fill Valve Installation Procedure

1) Shut off the water supply to the toilet.

2) Flush toilet and remove remaining water from tank with a sponge.

3) Remove the water supply connection at the ﬁll valve.

4) Remove old ﬁll valve and use damp sponge to clean hole in tank.

5) Place new ﬁll valve inside tank hole.

6) Thread mounting nut onto ﬁll valve shank and tighten the nut.

NO TE: Do not over-tighten. Be sure to install ﬁll valve in a position that does not

interfere with the trip lever operation.

MAINTENTANCE INSTRUCTIONS

8

ENGLISH

Ill. 1

Ill. 2

Ill. 3

Ill. 4

Replacing the Flush Valve

(ST453U and ST403U Model Tanks)

MAINTENANCE INSTRUCTIONS

1) Turn off water supply and ﬂush the toilet.

Remove the remaining water from tank

with a sponge.

2) Remove the tank lid and place it upside

down on a clean surface.

3) Pull the clip on top of trip leaver gear box

as shown.

4) Pull gear box away and set on the side as

shown. (see ill. 1 & ill. 2)

5) Rotate and pull up on the ﬂush tower to

remove it. (see ill. 3)

6) Remove the grey rubber seal gasket and

rinse under running water to clean. (see.

ill. 4)

7) Place the gasket back on the ﬂush tower.

8) Align and place the ﬂush tower into hous-

ing and gently press to snap and to lock

into place.

9) Replace the trip lever gear box and push

down on lever to lock it in place.

10) Carefully install the tank lid back on the

tank.

11) Flush the toilet several times making sure

the trip lever operates normally.

12) Check the water level in the tank and

inspect for signs of any leakage.

9

ENGLISH

WARNING!

DO NOT USE IN-TANK BOWLCLEANERS.

The use of high concentration of chlorine or chlorine-related products can seriously

damage ﬁttings in the tank. This damage can cause leakage and property damage.

TOTO

®

shall not be responsible or liable for any tank ﬁtting failure or damage caused

by the use of in-tank bowl cleaners.

CARE AND CLEANING

Flush Tower

Drain Valve

Refill Tube

ill. 1

ill. 2

1) Shut off the water supply.

2) Flush the toilet to remove the water inside the

tank.

3) Remove the tank lid and place somewhere safe.

NOTE: Before removing anything from the tank,

note the placement of the drain valve, chain and

reﬁll tube.

4) Unhook the reﬁll tube from the overﬂow tube of

the drain valve.

5) Unhook the chain from the trip lever.

6) Uninstall the tank (refer to the toilet installation

manual).

7) Remove the drain valve body from the tank.

8) Replace the drain valve in the same position as

the former drain valve.

9) Hand tighten the mounting nut of the drain valve

and use a wrench to tighten another 3/4 turn.

10) Reinstall the tank onto the bowl and place the

chain and reﬁll tube the same way as it was for

the former drain valve.

11) Turn the water supply back.

12) Check for any leakage after the tank has been

ﬁlled.

MAINTENANCE INSTRUCTIONS

Replacing the Drain Valve

10

ENGLISH

WARRANTY

1. TOTO warrants its vitreous china products (“Product”) to be free from defects in materials

and workmanship during normal use when properly installed and serviced, for a period of one

(1) year from date of purchase. This limited warranty is extended only to the ORIGINAL PUR-

CHASER of the Product and is not transferable to any third party, including but not limited to

any subsequent purchaser or owner of the Product. This warranty applies only to TOTO Product

purchased and installed in North, Central and South America.

2. TOTO’s obligations under this warranty are limited to repair, replacement or other appropri-

ate adjustment, at TOTO’s option, of the Product or parts found to be defective in normal

use, provided that such Product was properly installed, used and serviced in accordance with

instructions. TOTO reserves the right to make such inspections as may be necessary in order to

determine the cause of the defect. TOTO will not charge for labor or parts in connection with

warranty repairs or replacements. TOTO is not responsible for the cost of removal, return and/

or reinstallation of the Product.

3. This warranty does not apply to the following items:

a. Damage or loss sustained in a natural calamity such as ﬁre, earthquake, ﬂood, thunder,

electrical storm, etc.

b. Damage or loss resulting from any accident, unreasonable use, misuse, abuse, negli-

gence, or improper care, cleaning, or maintenance of the Product.

c. Damage or loss resulting from sediments or foreign matter contained in a water system.

d. Damage or loss resulting from improper installation or from installation of the Product in

a harsh and/or hazardous environment, or improper removal, repair or modiﬁcation of the

Product. (NOTE: Product model codes allow a maximum of 80 PSI. Check local codes or

standards for requirements).

e. Damage or loss resulting from electrical surges or lightning strikes or other acts which are

not the fault of TOTO or which the Product is not speciﬁed to tolerate.

f. Damage or loss resulting from normal and customary wear and tear, such as gloss reduc-

tion, scratching or fading over time due to use, cleaning practices or water or atmospheric

conditions.

g. Tank ﬂushing mechanisms of plastic or rubber moving parts.

h. Toilet seats of plastic, wood or metal.

4. In order for this limited warranty to be valid, proof of purchase is required. TOTO encourages

warranty registration upon purchase to create a record of Product ownership at http://www.

totousa.com. Product registration is completely voluntary and failure to register will not dimin-

ish your limited warranty rights.

5. THIS WARRANTY GIVES YOU SPECIFIC LEGAL RIGHTS. YOU MAY HAVE OTHER RIGHTS

WHICH VARY FROM STATE TO STATE, PROVINCE TO PROVINCE OR COUNTRY TO COUN-

TRY.

6. To obtain warranty repair service under this warranty, you must take the Product or deliver it

prepaid to a TOTO service facility together with proof of purchase (original sales receipt) and a

letter stating the problem, or contact a TOTO distributor or products service contractor, or write

directly to TOTO U.S.A., INC., 1155 Southern Road, Morrow, GA 30260 (678) 466-1300 or (888)

295-8134, if outside the U.S.A. If, because of the size of the Product or nature of the defect, the

Product cannot be returned to TOTO, receipt by TOTO of written notice of the defect together

with proof of purchase (original sales receipt) shall constitute delivery. In such case, TOTO may

choose to repair the Product at the purchaser’s location or pay to transport the Product to a

service facility.

WARNING! TOTO shall not be responsible or liable for any failure of, or damage to, this Prod-

uct caused by either chloramines in the treatment of public water supply or cleaners containing

chlorine (calcium hypochlorite). NOTE: The use of a high concentrate chlorine or chlorine related

products can seriously damage the ﬁttings. This damage can cause leakage and serious property

damage.

THIS WRITTEN WARRANTY IS THE ONLY WARRANTY MADE BY TOTO. REPAIR, REPLACEMENT

OR OTHER APPROPRIATE ADJUSTMENT AS PROVIDED UNDER THIS WARRANTY SHALL BE

THE EXCLUSIVE REMEDY AVAILABLE TO THE ORIGINAL PURCHASER. TOTO SHALL NOT BE

RESPONSIBLE FOR LOSS OF THE PRODUCT OR FOR OTHER INCIDENTAL, SPECIAL OR CON-

SEQUENTIAL DAMAGES OR EXPENSES INCURRED BY THE ORIGINAL PURCHASER, OR FOR

LABOR OR OTHER COSTS DUE TO INSTALLATION OR REMOVAL, OR COSTS OF REPAIRS BY

OTHERS, OR FOR ANY OTHER EXPENSE NOT SPECIFICALLY STATED ABOVE. IN NO EVENT

WILL TOTO’S RESPONSIBILITY EXCEED THE PURCHASE PRICE OF THE PRODUCT. EXCEPT TO

THE EXTENT PROHIBITED BY APPLICABLE LAW, ANY IMPLIED WARRANTIES, INCLUDING THAT

OF MERCHANTABILITY OR FITNESS FOR USE OR FOR A PARTICULAR PURPOSE, ARE EXPRESS-

LY DISCLAIMED. SOME STATES DO NOT ALLOW LIMITATIONS ON HOW LONG AN IMPLIED

WARRANTY LASTS, OR THE EXCLUSION OR LIMITATION OF INCIDENTAL OR CONSEQUEN-

TIAL DAMAGES, SO THE ABOVE LIMITATION AND EXCLUSION MAY NOT APPLY TO YOU.

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28

Model A B C

CST424EF(G) 28-1/4” 16-1/8” 33-1/2”

CST454CEF(G) 28-1/2” 16-1/8” 29-1/2”

CST454CUF(G) 28-1/2” 16-1/8” 29-1/2”

CST743E 26-3/8” 14-5/8” 28-1/2”

CST743ED 26-3/8” 14-5/8” 28-1/2”

CST744EL 28” 16-1/2” 30-1/2”

CST744ELD 28” 16-1/2” 30-1/2”

CST744EF.10 28” 16-1/8” 30-1/8”

CST744EFD.10 28” 16-1/8” 30-1/8”

CST744E(G) 27-3/4” 14-5/8” 28-1/2”

CST744ED(G) 27-3/4” 14-5/8” 28-1/2”

CST754EF(N) 28-1/8” 16-1/8” 32-1/2”

CST784EF 28-1/2” 16-1/8” 32-1/2”

CST744E(G)N 28-3/8” 14-5/8” 29-1/8”

CST743EN 26-5/8” 14-5/8” 29-1/8”

CST744ELN 28-3/8” 16-1/2” 31-1/8”

CST744EFN.10 28-5/8” 16-1/8” 30-3/4”

CST494CEMF(G) 28-3/4” 16-1/8” 30-1/4”

CST243EF 26-7/8” 16-1/8” 30”

CST244EF 28-3/4” 16-1/8” 30”

CST423EF(G) 26-3/8” 16-1/8” 33-1/2”

CST453CEF(G) 26-1/2” 16-1/8” 29-1/2”

CST453CUF(G) 26-1/2” 16-1/8” 29-1/2”

CST404CEF(G) 28-1/2” 16-1/8” 31-1/4”

CST404CUF(G) 28-1/2” 16-1/8” 31-1/4”

ROUGH-IN DIMENSIONS / BOSQUEJO /

ROBINETTERIE BRUTE

* Recommended dimensions

* Dimensiones recomendadas

* Dimensions recommandées

14”

(355mm)

5-1/2”

(140mm)

18-1/2” (470mm)

8”* (202mm)

1/2” Supply

Suministro

Alimentation

10” (254mm)

12” (305mm)

6”*

(153mm)

or

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30

REPLACEMENT PARTS / REFACCIONES /

PIÈCES DE RECHANGE

Model

Modelo

Modèle

Drain Valve

Válvula de

drenaje

Valve du drain

Flush Tower

Torre de

descarga

Chasse

d’eau

Seal Gasket

Junta de

sellado

Joint

d’étanchéité

Fill Valve

Válvula de

llenado

Robinet de

remplissage

Trip Lever

Palanca de

descarga

Levier de

dèclenchement

ST403E THU443.15K-A THU440 THU440-A TSU53A THU458N#XX

ST403U THU467 N/A THU474 TSU53A THU466#XX

ST424ET THU443.21C-A THU440 THU407 TSU53A THU141N#CP

ST424ST THU442.21A-A THU440 THU407 TSU53A THU141N#CP

ST454ET THU445.10F-A THU440 THU407 TSU53A THU068#XX

ST454ERT THU445.10F-A THU440 THU407 TSU53A THU279#CP

ST743E(B)T THU445.10F-A THU440 THU407 TSU53A THU068#XX

ST743ED(B)T THU441.10J-A THU440 THU407 TSU53A THU068#XX

ST743ER(B)T THU445.10F-A THU440 THU407 TSU53A THU279#CP

ST743S(B)T

THU443.10B-A THU440 THU407 TSU53A THU068#XX

ST743SD(B)T THU440.15H-A THU460 THU407 TSU53A THU068#XX

ST743SR(B)T THU443.10B-A THU440 THU407 TSU53A THU279#CP

ST744ET THU443.10B-A THU440 THU407 TSU53A THU398#CP

ST744ERT THU443.10B-A THU440 THU407 TSU53A TH398#CP

ST753ET THU444.10D-A THU440 THU407 TSU53A THU141#XX

ST754ET THU445.15G-A THU440 THU407 TSU53A THU141#XX

ST784ET THU444.15E-A THU440 THU407 TSU53A THU148#XX

For ﬂush tower type drain valve

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TOTO

®

U.S.A., Inc. 1155 Southern Road,

Morrow, Georgia 30260

Tel: 888-295-8134 Fax: 800-699-4889

www.totousa.com

0GU048Z-12

Rev Date: 08/18

Warranty Registration and Inquiry

For product warranty registration, TOTO U.S.A. Inc. recommends online warranty registration. Please visit

our web site http://www.totousa.com. If you have questions regarding warranty policy or coverage, please con-

tact TOTO U.S.A. Inc., Customer Service Department, 1155 Southern Road, Morrow, GA 30260

(888) 295-8134 or (678) 466-1300 when calling from outside of U.S.A.

Toto CST243 Installation guide

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